Mezzle/queuejitsu-cli

<?php
/*
 * Copyright (c) 2017 - 2020 Martin Meredith
 * Copyright (c) 2017 Stickee Technology Limited
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

declare(strict_types=1);

namespace QueueJitsu\Cli\Log;

use Psr\Log\AbstractLogger;
use Psr\Log\LogLevel;

class StdIO extends AbstractLogger
{
    const ERROR_LEVELS = [
        LogLevel::ERROR,
        LogLevel::CRITICAL,
        LogLevel::CRITICAL,
        LogLevel::ALERT,
    ];

    /**
     * Logs with an arbitrary level.
     *
     * @param mixed $level
     * @param string $message
     * @param array $context
     */
    public function log($level, $message, array $context = [])
    {
        $context_output =
            empty($context) ? '' : sprintf(' :: %s', json_encode($context));

        $logline =
            sprintf(
                "[%s] %s%s\n",
                mb_strtoupper($level),
                $message,
                $context_output
            );

        $handle = in_array($level, self::ERROR_LEVELS, false) ? STDERR : STDOUT;

        fwrite($handle, $logline);
    }
}